When Peter, Quagmire and Joe fly on a private plane to Canada, they crash in the middle of the wilderness, far from civilization. Peter is chosen to find help, but ends up going missing for two months, only to be found as a feral creature with no ability to communicate intelligently. The Griffins must find a way to bring back Peter to his old self in the "Bigfat" episode of FAMILY GUY airing Sunday, July 14 (9:00-9:30 PM ET/PT) on FOX. (FG-1015) (TV-14 D, L, S, V)